The Pope and the Professor —— Pius IX, Ignaz von Döllinger, and the Quandary of the Modern Age

----- 教宗与教授:庇护九世，伊格纳兹·冯·多林格和现代的窘境

ISBN: 9780198809920 出版年：2017 页码：360 Howard, Thomas Albert Oxford University Press

A history of the Catholic Church after the French Revolution through the story of the 'Döllinger affair'. Ignaz von Döllinger (1799-1890), was a leading critic of Pope Pius IX and in particular the doctrine of Papal Infallibility defined during the First Vatican Council.